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TATA INDICOM PREPAID BY : BHARGAV SHANKHALPARA
[object Object]
Tata Teleservices is part of the Tata Group.
Invented in 1996.
First launch CDMA mobile services in the Andhra Pradesh.,[object Object]
SITE VISIT AT PIPALIA (MORBI) PREPAID BY : BHARGAV SHANKHALPARA
BTS HAS A MAIN SECTIONS : ,[object Object]
    POWER PLANT
    BTS MACHINE
    TOWER & ANTENNA,[object Object]
GENERATOR WHICH PROVIDE POWER WHEN  MAIN SUPPLY (COMES FROM GEB) IS FAILS…
POWER PLANT : ,[object Object],   OBTAIN  -48V DC  FROM 230V AC SUPPLY. ,[object Object],       “Because 2 terminal comes out from the  battery and through red wire we ground the +ive terminal so that possibility of noise interference will get zero....noise occur only in the +ive terminal.....thats why we use -ive voltage. “
POWER PLANT :
BTS OF AIRTEL(NOKIA)
RRI CARD POWER CARD        BB2F CARD      BOIA CARD                                                                                                                                                                                                                                                                                                                                                                          DUPLEXER                                                       Trx    COMBINER
BTS DIVIDE IN FOLLOWING UNITS: POWER CARDS BB2F Trx BOIA CARD ALARM EXTENSION SYSTEM RRI CARD COMBINER DUPLEXER
POWER CARDS : ,[object Object]
  IT DISTRIBUTE SUPPLY TO ALL EQUIPMENT OF BTS.,[object Object]
BB2F : ,[object Object]
BB2F CARD CONNECT BOIA CARD TO TRx.
 ONE BB2F  CAN OPERATE 2 Trx.
 THERE  ARE THREE CONDITION OF BB2F       WHICH IS DETECTED BY LEDS….  GREEN -      OK ORANGE-  DOWN RED-           FAULTY
Trx :
Trx : ,[object Object]
ONE Trx CAN HANDLE 16 CALLS PER SECOND.
WE CAN USE MAXIMUM 12 Trx  ON ONE BTS.
IT  IS DEPEND ON BB2F CARD WHICH MAXIMUM VALUE IS 6.,[object Object]
     BOIA CARD IS LIKE BRAIN OF BTS.
     THERE ARE SERIAL PORT IN IT FOR CONNECT IT TO LEPTOP.,[object Object],[object Object]
 THIS ANTENNA IS USED FOR MICROWAVE LINK WHICH CONNECT ONE BTS TO OTHER BTS…,[object Object]
ONE COMBINER IS USED TO HANDLE TWO  Trx. ,[object Object]
 SO ANTENNA HAS TWO CABLE ONE FOR Tx & Rx  WHICH CONNECT WITH DUPLEXER.,[object Object]

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bts Site Visit At Pipalia (Morbi)

  • 1. TATA INDICOM PREPAID BY : BHARGAV SHANKHALPARA
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  • 3. Tata Teleservices is part of the Tata Group.
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  • 6. SITE VISIT AT PIPALIA (MORBI) PREPAID BY : BHARGAV SHANKHALPARA
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  • 8. POWER PLANT
  • 9. BTS MACHINE
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  • 11. GENERATOR WHICH PROVIDE POWER WHEN MAIN SUPPLY (COMES FROM GEB) IS FAILS…
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  • 15. RRI CARD POWER CARD BB2F CARD BOIA CARD DUPLEXER Trx COMBINER
  • 16. BTS DIVIDE IN FOLLOWING UNITS: POWER CARDS BB2F Trx BOIA CARD ALARM EXTENSION SYSTEM RRI CARD COMBINER DUPLEXER
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  • 20. BB2F CARD CONNECT BOIA CARD TO TRx.
  • 21. ONE BB2F CAN OPERATE 2 Trx.
  • 22. THERE ARE THREE CONDITION OF BB2F WHICH IS DETECTED BY LEDS…. GREEN - OK ORANGE- DOWN RED- FAULTY
  • 23. Trx :
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  • 25. ONE Trx CAN HANDLE 16 CALLS PER SECOND.
  • 26. WE CAN USE MAXIMUM 12 Trx ON ONE BTS.
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  • 28. BOIA CARD IS LIKE BRAIN OF BTS.
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  • 37. CALL PROCESS IN UPLINK : 1. Uplink Path GSM antenna. Dual Variable Gain Duplex Filter (DVxx) unit. 3. Multicoupler (M2xx and M6xx). 4. TRx(transceiver). 5. BB2F Card for DSP. 6. Transmission (VXxx) unit. 7. To BSC through Microwave Antenna
  • 38. CALL PROCESS IN DOWNLINK : Downlink Path From BSC through Microwave Antenna Transmission unit(VXxx). BB2F Card for DSP. TRX (Transceiver). Wideband Combiner unit (WCxx). Duplexer. GSM antenna, which passes the signal through the Air interface to the MS
  • 39. SITE VISIT : TATA Problem : Rajkot MSC was not getting connectivity from Junagadh. Solution: Then by ping address of all the BTS in Junagadh connectivity is checked, we found the faulty BTS then it was found that GLI card of that BTS was damaged which was replaced afterwards.
  • 40.